DATASHEET SEARCH SITE | WWW.ALLDATASHEET.COM

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 2

Technical content

104 ICs

1-2-1 2-Phase Stepper Motor Unipolar Driver ICs Parameter Symbol Ratings Unit SLA7027MU SLA7024M SLA7026M Motor Supply Voltage V CC 46 V FET Drain-Source Voltage V DSS 100 V Control Supply Voltage V S 46 V Input Voltage V IN 7V Reference Voltage V REF 2V Output Current I O 1 1.5 3 A Pow er Dissipation PD1 4.5 (Without Heatsink) W PD2 35 (TC =25°C) W Channel Temperature T ch +150 °C Storage Temperature T stg –40 to +150 °C ■ Electrical Characteristics (Ta=25°C) Ratings Parameter Symbol SLA7027MU SLA7024M SLA7026M Unit Control Supply Current IS 10 15 10 15 10 15 mACondition V S=44V V S=44V V S=44V Control Supply Voltage V S 10 24 44 10 24 44 10 24 44 V FET Drain-Source Voltage VDSS 100 100 100 VCondition V S=44V, IDSS =250µAV S=44V, IDSS =250µAV S=44V , IDSS =250µA FET ON Voltage VDS 0.85 0.6 0.85 VCondition I D =1A, VS=14V I D =1A, VS=14V I D =3A, VS=14V FET Drain Leakage Current IDSS 444 mACondition V DSS =100V, VS=44V V DSS =100V, VS=44V V DSS =100V, VS=44V FET Diode Forward Voltage VSD 1.2 1.1 2.3 VCondition I D =1A I D =1A I D =3A IIH 40 40 40 µA TTL Input Current Condition V IH=2.4V, VS=44V V IH=2.4V, VS=44V V IH=2.4V, VS=44V IIL –0.8 –0.8 –0.8 mACondition V IL=0.4V, VS=44V V IL=0.4V, VS=44V V IL=0.4V, VS=44V VIH 222 TTL Input Voltage Condition I D =1A I D =1A I D =3A V(Active High) V IL 0.8 0.8 0.8 Condition V DSS =100V V DSS =100V V DSS =100V VIH 222 TTL Input Voltage Condition V DSS =100V V DSS =100V V DSS =100V V(Active Low) V IL 0.8 0.8 0.8 Condition I D =1A I D =1A I D =3A Tr 0.5 0.5 0.5 Condition V S=24V, ID =0.8A V S=24V, ID =1A V S=24V, ID =1A Switching Time Tstg 0.7 0.7 0.7 µsCondition V S=24V, ID =0.8A V S=24V, ID =1A V S=24V, ID =1A Tf 0.1 0.1 0.1 Condition V S=24V, ID =0.8A V S=24V, ID =1A V S=24V, ID =1A ■ Absolute Maximum Ratings 2-Phase/1-2 Phase ExcitationSLA7027MU/SLA7024M/SLA7026M DC characteristics AC characteristics

SLA7027MU/SLA7024M/SLA7026M ■ Internal Block Diagram ■ Typical Connection Diagram (Recommended component values) 1, 8, 11, 18pin Description of pins Excitation input signal Active H Active L Pin 1 OUT A OUT A Pin 8 OUT A OUT A Pin 11 OUT B OUT B Pin 18 OUT B OUT B Reg IN A VSA R SA

234 G A

81 6 5 7 1 2 1 7 1 6 1 8 1 1 IN B IN B VSB G B TDB REF B R SB 14 13 15 10 Active High 71 2 8 1 1 8 1 1 VSA VSB OUT A OUT B OUT BOUT A R SA REF A REF B R SB G A G B 93 1 4 10 4 15 C 4 r6r5 r1r4r3 C 1 C 2 TdA TdB INA INA INB INB INA INA INB INB Active High VCC (46V max) Vb (5V) RsRs C 3 SLA7024M 7026M 7027MU Active Low 71 2 8 1 1 8 1 1 VSA VSB OUT A OUT B OUT BOUT A R SA REF A REF B R SB G A G B 93 1 4 10 4 15 C 4 r6r5 r1r4r3 C 1 C 2 TdA TdB INA INA INB INB INA INA INB INB Active Low VCC (46V max) Vb (5V) RsRs C 3 SLA7024M 7026M 7027MU r1: 510Ω r2: 100Ω (VR) r3: 47kΩ r4: 47kΩ r5: 2.4kΩ r6: 2.4kΩ C 1: 470pF C 2: 470pF C 3: 2200pF C 4: 2200pF R s: 1Ω typ (7024M) 0.68Ω typ (7026M) 1.8Ω typ (7027MU) Excitation signal time chart 2-phase excitation clock 01230 1 INA HLLHH L INA LHHLL H INB HHL LH H INB LLH HL L 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 INA HHL L LLLH H HLL INA LLLH H HLLLLLH INB LHHHLL LLLH H H INB LLLLLH H HLLLL Excitation signal time chart 2-phase excitation clock 012301 INA LHHLLH INA HLLHHL INB LLH HLL INB HHL LHH 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 INA LLH H H H HLLLH H INA HHHL L L HHHHHL INB HLLLHHHHHLLL INB H HHHHL L LHHHH r1: 510Ω r2: 100Ω (VR) r3: 47kΩ r4: 47kΩ r5: 2.4kΩ r6: 2.4kΩ C 1: 470pF C 2: 470pF C 3: 2200pF C 4: 2200pF R s: 1Ω typ (7024M) 0.68Ω typ (7026M) 1.8Ω typ (7027MU) (1 to 2W) (1 to 2W) ■ External Dimensions (ZIP18 with Fin [SLA18Pin]) 31±0.2 24.4±0.2 16.4±0.2 3.2±0.15φ 16±0.2 13±0.2 9.9±0.2 Part No. Lot No. 1.7±0.1 2.45±0.2 R-End 6.7±0.5 9.7 –0.5 (3) 0.55 +0.2 –0.14±0.7 +0.2 –0.1 0.65 +0.2 –0.1 31.3±0.2 Forming No. No.871 Forming No. No.872 123 1 8 123 18 0.65 +0.2 –0.1 +0.2 –0.1 3±0.60.55 +0.2 –0.12.2±0.6 6±0.6 7.5±0.6 4.6±0.61.6±0.6 (Unit : mm) Product Mass : Approx.6g